gistfile1.txt

if orientation in ('left', 'right'):
    selector = Vec2D(1,0)
else:
    selector = Vec2D(0,1)

if orientation in ('left', 'above'):
    reversed(sequence)

if type(padding) in (float, int, long):
    padding = [padding] * len(sequence)
else:
    padding = list(padding)
    padding.append(0)
base = Vec2D(0,0)
cong = []
for image, padding in zip(sequence, padding):
    cong.append((image, base))
    base = base + selector * (image.get_size() + (padding, padding))